Continuous Counter-Current Extraction System

In the continuous counter current type extraction system, the feed is transferred through a controlled screw feed conveyor. Pre sized herbs will be fed at the lower end of the extractor and hot water / organic solvent at the top end of the extractor. The residence time for solid liquid extraction can be controlled as required for different raw materials. The same extractor is also used for liquid-liquid extraction for separation of different active components in two liquid phases. All the variables such as temperature of extraction, time required for extraction process, raw material feed rate and solvent media feed rate is controlled through the PLC program.